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ENERGYLABORATOR/ES, INC. • 2393 Salt Creek Highway (82601) • P.O. Box 3258 • Casper, WY82602 <br />Toll Free 888 235 0515 • 307 235 0515 • Fax 307.234.1639 • casper@anergy/ab. com • www energylab. com <br />LABORATORY ANALYTICAL REPORT <br />Client: Denison Mines (USA) Corp <br />Project: Sunday MineNan 4 <br />Lab ID: C08090686-005 <br />Client Sample ID: DM-TPWR-2 <br />Analyses <br />Result Units Qualifier RL <br />Report Date: 10/27/08 <br />Collection Date: Not Provided <br />DateRecei ved: 09/17/08 <br />Matrix: Solid <br />MCU <br />QCL Method Analysis Date / By <br />AGRONOMIC PROPERTIES <br />Moisture <br />Lime as CaC03 <br />ACID-BASE POTENTIAL <br />Neutralization Potential <br />Acid Potential <br />Acid/Base Potential <br />SULFUR FORMS <br />Sulfur, Total <br />Sulfur, Hot Water Extractable <br />Sulfur, HCI Extractable <br />Sulfur, HN03 Extractable <br />Sulfur, Residual <br />MAJOR IONS - MWMP EXTRACTABLE <br />Calcium <br />Chloride <br />Fluoride <br />Magnesium <br />Nitrogen, Ammonia as N <br />Nitrogen, Nitrate as N <br />Nitrogen, Nitrate+Nitrite as N <br />Nitrogen, Nitrite as N <br />Sulfate <br />5.5 % 0.1 USDA26 09/19/08 10:00 / lb <br />5.8 % 0.1 USDA23c 09/23/08 13:00 / eli-h <br />58 t/kt Sobek Modifie 09/23/08 13:001 eli-h <br />0 tlkt 0.3 Sobek Modifie 09/25/08 12:00 / eli-h <br />58 t/kt Sobek Modifie 09/25/08 12:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30108 11:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30108 11:00 / eii-h <br />ND % 0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />97 mg/L 1 E200.7 10/13/08 14:35 / cp <br />396000 ug/L 1000 E300.0 10/20108 16:17 / Ijl <br />1120 ug/L 100 A4500-F C 10/10/08 11:02 / Ijl <br />28 mg/L 1 E200.7 10/13/08 14:35 / cp <br />1060 ug/L 30 A4500-NH3 G 10/14/08 11:54 / jal <br />96700 ug/L 50 E353.2 10117/08 14:191 sec <br />98700 ug/L 50 E353.2 10/13/08 14:121 jal <br />1950 ug/L 100 A4500-NO2 B 10110/08 12:11 / jal <br />395000 ug/L 1000 E300.0 10/17/08 06:18 / Ijl <br />PHYSICAL PROPERTIES - MWMP EXTRACTABLE <br />Conductivity 3000 umhos/cm <br />Hardness as CaC03 359 mg/L <br />pH 8.42 s. u. <br />Solids, Total Dissolved TDS @ 180 C 1880000 ug/L <br />METALS - MWMP EXTRACTABLE <br />Aluminum ND ug/L <br />Antimony 4 ug/L <br />Arsenic 126 ug/L <br />Barium 108 ug/L <br />Beryllium ND ug/L <br />Boron 232 ug/L <br />Cadmium ND ug/L <br />Chromium ND ug/L <br />Cobalt 2 ug/L <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br /> MDC - Minimum detectable concentrati on <br />1 A2510 B 10114/08 13:48 / dd <br />1 A2340 B 10/16108 10:41 / kbh <br />0.01 A4500-H B 10/14/08 13:48 / dd <br />10000 A2540 C 10/13108 08:40 / jah <br />100 E200.8 10/10108 17:23 / sml <br />1 E200.8 10/10108 17:23 / sml <br />1 E200.8 10/24/08 13:40 / is <br />1 E200.8 10/10/08 17:23 / sml <br />1 E200.8 10/15/08 14:13 / sml <br />100 E200.7 10/13/08 14:35 / cp <br />1 E200.8 10/10/08 17:23 / sml <br />1 E200.8 10/10/08 17:23 / sml <br />1 E200.8 10/10/08 17:231 smI <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit <br />• <br />0